Aslito Airfield

Aslito Airfield
Name	Aslito Airfield
Location	Saipan, Northern Mariana Islands
Type	Airfield
Built	1930s
Used	1944–present (varied)
Battles	Mariana and Palau Islands campaign

Aslito Airfield was a strategically important airfield on Saipan in the Mariana Islands, captured by Allied forces during the Battle of Saipan and rapidly converted for use by the United States Army Air Forces, United States Navy, and United States Marine Corps in the latter stages of the Pacific Theater of World War II. The airfield's capture contributed to the establishment of forward bases for B-29 Superfortress operations against the Japanese home islands, and it later evolved through phases of Naval Base Saipan development, postwar occupation, and civil redevelopment associated with Saipan International Airport planning.

History

Originally constructed by the Imperial Japanese Navy in the 1930s as part of strategic improvements in the South Pacific, the site was known to Japanese planners associated with the Greater East Asia Co-Prosperity Sphere and tied to defenses across the Marianas. The United States Pacific Fleet and United States Army Pacific identified the island and its air facilities as crucial targets during the Island-hopping campaign led by commanders such as Admiral Chester W. Nimitz and General Douglas MacArthur. During the Battle of Saipan in June–July 1944, units from the United States Marine Corps and United States Army assaulted positions held by the Imperial Japanese Army and Imperial Japanese Navy Special Naval Landing Forces, leading to the capture of the airfield from elements of the South Seas Detachment. Following seizure, engineers from the Seabees and USAAF engineering units expanded runways to accommodate heavy bombers under directives influenced by General Henry H. Arnold and theater commanders including Admiral Raymond A. Spruance.

Design and Facilities

The original Japanese layout featured a single coral-surfaced runway and support areas consistent with Imperial Japanese Navy Air Service design practices, including revetments and fuel storage tied to Naval logistics. After capture, the US Navy Seabees and USAAF Ninth Air Force engineers upgraded the field, installing pierced steel planking, taxiways, hardstands, and apron areas to service B-24 Liberator, B-29 Superfortress, and fighter types associated with commands like the Twentieth Air Force and VII Fighter Command. Support facilities included Admiralty Islands-style Quonset huts, fuel farms similar to those at Guam and Tinian, ammunition dumps modeled after Okinawa logistics, and communication centers integrated with Central Pacific Area command networks under officers who coordinated with Joint Chiefs of Staff directives. Airfield design addressed issues of coral base strength, tropical drainage seen in Wake Island, and camouflage measures comparable to installations on New Guinea.

World War II Operations

Following rapid repair and expansion, the airfield supported strategic and tactical operations across the Philippine campaign (1944–45), Battle of Leyte Gulf, and strikes toward Iwo Jima and Tokyo. Units flying Consolidated B-24 Liberator and later Boeing B-29 Superfortress sorties staged sorties from the field as part of XX Bomber Command and XXI Bomber Command planning coordinated with staff from Andersen Air Force Base and Tinian Harbor. Fighter groups equipped with P-47 Thunderbolt and F6F Hellcat aircraft provided bomber escort and local air defense in concert with VF squadrons from USS Enterprise (CV-6) and USS Yorktown (CV-10), while night fighter tactics borrowed from Night Fighter Command doctrine were employed for area defense. The field also supported emergency landings of damaged aircraft from engagements linked to commanders such as Admiral William F. Halsey Jr. and operations directed by General Curtis LeMay, influencing the strategic bombing campaign that culminated in missions connected to Operation Meetinghouse and later Tokyo firebombing raids.

Postwar Use and Redevelopment

After World War II, control of the facility transitioned through United States Navy and United States Air Force administrative arrangements during the United States occupation of Japan era and the reorganizations that followed the National Security Act of 1947. Portions of the airfield were incorporated into civil aviation plans alongside Saipan International Airport, influenced by regional development initiatives tied to the Trust Territory of the Pacific Islands under United Nations Trusteeship administration managed by the United States Department of the Interior. Redevelopment involved interactions with Commonwealth of the Northern Mariana Islands authorities, economic efforts influenced by Tourism in the Northern Mariana Islands, and infrastructure projects funded by agencies such as the Federal Aviation Administration and United States Agency for International Development. Historic ramps and wartime structures were gradually removed, repurposed, or commemorated in municipal plans linked to Garapan and Capitol Hill, Saipan redevelopment schemes.

Units Assigned and Aircraft

The airfield hosted a mix of strategic bomber and tactical fighter units including elements associated with the Twentieth Air Force, Seventh Air Force, and 13th Air Force across different periods. Notable aircraft types included the Boeing B-17 Flying Fortress, Consolidated B-24 Liberator, Boeing B-29 Superfortress, Republic P-47 Thunderbolt, Grumman F6F Hellcat, Lockheed P-38 Lightning, and transport types like the C-47 Skytrain and C-54 Skymaster. Units with documented presence included groups akin to the 494th Bombardment Group, 45th Fighter Group, and various Navy Marine Aircraft Group elements that coordinated with carrier-based squadrons from Task Force 58 and Task Force 38 during combined operations.

Legacy and Commemoration

The site and its wartime role are commemorated by local and international institutions such as the Saipan World War II History Museum, memorials honoring casualties from the Battle of Saipan and related actions including the Marianas Turkey Shoot, and interpretive programs linked to National Park Service preservation practices and Pacific heritage initiatives supported by organizations like the Smithsonian Institution and United States Holocaust Memorial Museum-advising historical projects. Academic research by scholars at institutions including University of Guam, University of Hawaiʻi, and Arizona State University has examined the airfield's strategic impact during the Pacific War, while veterans' groups and descendants associated with the Veterans of Foreign Wars, American Legion, and Japanese American Citizens League have participated in commemorative events. The airfield's legacy persists in discussions of strategic bombing doctrine, low-altitude amphibious assault logistics studied in Amphibious warfare archives, and regional memory efforts tied to cultural sites across the Northern Mariana Islands.

Category:Airfields of the United States Army Air Forces in the Pacific Ocean theater of World War II Category:History of the Northern Mariana Islands